You will be given a definition of a task first, then some input of the task.
Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Paragraph- Sent 1: Over the centuries, the living here has always been easy enough to attract a steady stream of immigrants.
Sent 2: Bountiful food sources might have made Malaysia an inviting place for the contemporaries of Java Man — in 230,000 b.c.
Sent 3: But thus far, the country's earliest traces of homo sapiens, found in the Niah Caves of northern Sarawak, are fragments of a skull dating to 40,000 b.c.
Sent 4: On the peninsula, the oldest human-related relics (10,000 b.c.
Sent 5: ) are Stone Age tools of the Negritos.
Sent 6: These small, dark Melanesians are related in type to Australian aborigines and are confined today to the forests of the northern highlands.
Sent 7: By 2,000 b.c.
Sent 8: , these timid, gentle nomads hunting with bow and arrow were driven back from the coasts by waves of sturdy immigrants arriving in outrigger canoes equipped with sails.
Sent 9: Mongolians from South China and Polynesian and Malay peoples from the Philippines and the Indonesian islands settled along the rivers of the peninsula and northern Borneo.
Sent 10: They practiced a slash-and-burn agriculture of yams and millet, a technique that exhausted the soil and imposed a semi-nomadic existence from one jungle clearing to another.
Sent 11: Families lived in wooden longhouses like those still to be seen today among the Iban peoples of Sarawak.
Sent 12: Another unit was added on to the communal dwelling each time a marriage created a new family.
Sent 13: Other tough migrants from the South Seas settled along the coasts — sailors, fishermen, traders (for the most part pirates) — known euphemistically as orang laut (sea people). 
Question: What year are the earliest human traces in Malaysia from?.
Output:
230,000 b.c.